Seismic Waves & Earth's Interior
Earthquakes WWW
Measuring Earthquakes
Earthquake Impacts & Humans
Forecasting Earthquakes
100

Waves that travel comparatively slowly within the Earth and only through solids

What are S-waves?

100

Area within a fault plane that undergoes displacement during an earthquake

What is the rupture surface?

100

Also known as the earthquake focus

What is the earthquake hypocenter?

100

Deadly impact of earthquakes in urban areas

What is building collapse?

100

The conclusion of the Parkfield earthquake prediction experiment

What is the failure of short-term earthquake forecasting?

200

Waves that travel fast within the Earth and through all types of materials

What are P-waves?

200

Earthquake triggered by stress transfer from a previous earthquake

What is an aftershock?

200

Location-specific degree of shaking during an earthquake

What is the earthquake intensity?

200

Process affecting water-saturated sediments during an earthquake

What is liquefaction?

200

Systems capable of detecting earthquake-triggered waves in the world's ocean

What are tsunami warning systems?

300

Destructive waves that travel slowly along Earth's exterior

What are surface waves?

300

Tectonic setting in which magnitude 9 earthquakes may occur

What are subduction zones?

300

Measurement serving as a basis for the Richter scale

What is the S-wave amplitude?

300

Three factors that influence the impact of an earthquake

What are earthquake magnitude, location, and regional characteristics?

300

Assessment of location-specific probabilities for earthquake occurrence

What is long-term earthquake forecasting?

400

The area on the opposite side of Earth from an earthquake's epicenter that does not receive S-waves

What is the S-wave shadow zone?

400

Tectonic setting of California's San Andreas Fault

What is a continental-continental transform boundary?

400

Measurement serving as a basis for the Moment Magnitude Scale

What is the displacement and area of the rupture surface?

400

Three characteristics of tsunami-generating earthquakes

What are large, shallow, and offshore earthquakes?

400

Principle serving as a basis for earthquake early warning systems

What is detection of early P-wave arrival?

500

The cause of seismic waves' deceleration at 100-250 km depth in the mantle

What is partial melt?

500

Rapid, continuous, and long-lasting seismic vibrations related to slow slip at subduction zones and magma movement near volcanoes

What is seismic tremor?

500

On a seismogram, measurement proportional to the distance between the seismic station and the epicenter

What is the time gap between the P- and S-wave arrivals?

500

How hydraulic fracturing causes earthquakes

What is increased pressure on existing faults?

500

Two sources of information to determine the recurrence intervals of earthquakes

What are historical records and paleoseismicity studies?

M
e
n
u